Structure Of an Atom

Follow us at: tutorvista/ Check us out at Structure of an Atom All matter is made up of atoms. An atom is like a tiny solar system. In the center of the atom is the nucleus which is a cluster of protons and neutrons. The protons have a positive electric charge while the neutrons are electrically neutral. The nucleus makes up almost all of an atom’s mass or weight. Whirling at fantastic speeds around th